// JavaScript Document
var browserName=navigator.appName; 
if (browserName=="Microsoft Internet Explorer")
{ 
document.write('<link rel="stylesheet" href="styles/main_ns.css" type="text/css">')
}
else if (document.layers) { // NS 4.x
}
else {
 document.write('<link rel="stylesheet" href="styles/main_ns.css" type="text/css">')
}
		
		
var timeout	= 200;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}


// close layer when click-out
document.onclick = mclose; 



var timeoutCH	= 200;
var closetimerCH	= 0;
var ddmenuitemCH	= 0;

// open hidden layer
function mopenCH(id)
{	
	// cancel close timer
	mcancelclosetimeCH();

	// close old layer
	if(ddmenuitemCH) ddmenuitemCH.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitemCH = document.getElementById(id);
	ddmenuitemCH.style.visibility = 'visible';

}
// close showed layer
function mcloseCH()
{
	if(ddmenuitemCH) ddmenuitemCH.style.visibility = 'hidden';
}

// go close timer
function mclosetimeCH()
{
	closetimerCH = window.setTimeout(mcloseCH, timeoutCH);
}

// cancel close timer
function mcancelclosetimeCH()
{
	if(closetimerCH)
	{
		window.clearTimeout(closetimerCH);
		closetimerCH = null;
	}
}


// close layer when click-out
document.onclick = mcloseCH;